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--- a/gcc/config/avr32/lib1funcs.S +++ b/gcc/config/avr32/lib1funcs.S @@ -2800,6 +2800,7 @@ __extendsfdf_return_op1: lsl r11,8 /* check mantissa */ movne r11, -1 /* Return NaN */ moveq r11, r10 /* Return inf */ + mov r10, 0 rjmp __extendsfdf_return_op1 #endif